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EXHIBIT 23.25

Digest No. 1.545/2005

RESCISSION OF ASSIGNMENT OF HEREDITARY RIGHTS
AGREEMENT AND PURCHASE AGREEMENT

BRAULIO GODOY LATORRE

TO

MINERA LUMINA COPPER CHILE S.A.

In Copiapó, Republic of Chile, on the 13th day of October 2005,
before me HERNAN CAÑAS VALDES, lawyer, Public Notary and Mining
Conservator of this province, with offices at 676 OHiggins street, hereby
appears: Mr. BRAULIO GODOY LATORRE, Chilean, married to Mrs. Ema Ruth
Conejeros Salas, independent, Identity Card No 3.092.138 -0, domiciled at 789
Sargento Aldea street, Población Los Cuatro Álamos,

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Copiapó; Mr. ROLANDO NOLVERTO GODOY LATORRE, Chilean,
married to Mrs. Eliana Florencia Cisternas Fuentes, independent, Identity Card
No 3.815.455 -9, domiciled at 743 Luis Pinto street, Población Las Canteras,
Copiapó; Mr. WALTERIO ARNALDO GODOY LATORRE,Chilean, married to Mrs.
Iris Haydee Cereceda Alcota, businessperson, Identity Card No 3.977.597 -8,
domiciled at 806 Vallejos street, Población Las Lilas, Copiapó; Mr. HUGO
BOLIVAR GODOY LATORRE, Chilean, married to Mrs. Clara Delia Fuentes
Caimanque, farmer, Identity Card No 4.397.376 -2, domiciled at 540 Pedro
Castagñola street, Población Las Canteras, Copiapó; hereinafter the Seller;and MINERA LUMINA COPPER CHILE S.A., and/or Lumina a company whose
line of business is that of its denomination, Tax Payer Number 99.531.960 -8,
established by public deed on the 20th day of August 2003, before the Public
Notary of Santiago Mr. Eduardo Avella Concha, registered on the Santiago
Commerce Register page 24.974 No 18.813 2003, represented by Mr. JOHN JOSEPH
SELTERS, North American, single, Mining Engineer, Identity Card for
Foreigners No14.427.974 -3, both domiciled for these effects at 3331 Las Nieves
street, County of Vitacura, Santiago; who evidence their identities with the
above mentioned Identity Cards and declare:

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FIRST:By public deeds granted on the 19th
day of April 2005 and on the 15th day of June 2005, before this
Public Notary of Copiapó, Mr. Braulio, Mr. Walterio Arnaldo and Mr. Hugo Bolivar
Godoy Latorre, sold their hereditary rights on the following inheritances:

| | a) | Their fathers (Mr. Braulio Domingo Godoy Silva)
      intestate inheritance as it is recorded on the posesión
      efectiva1registered on page 630, No 521, of the
      Property Registry of the Custodian of Real Estate of Copiapó,
      corresponding to 1984.   
| | -- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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| | b) | Their mothers (Mrs. Petronila Latorre Mercado) intestate
      inheritance, as it is recorded on the Resolution No 331 inscription No
      13764 of the 2004 Posesión EfectivaNational Registry.                                                                        
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|
| | c) | Their sisters (Mrs. Sonia Alicia Godoy Latorre)
      intestate inheritance, as it is recorded on the posesión
      efectiva2registered on page 2674, No 1678, of the
      Property Registry of the Custodian of Real Estate of Copiapó,
      corresponding to 2000.
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|
|

SECOND:According to the Assignment of
Hereditary Rights agreement, there are some obligations of pending execution.
The parties, Mr. Braulio, Mr. Walterio Arnaldo and Mr. Hugo Bolivar Godoy
Latorre, and the assignee Minera Lumina Copper Chile S.A., hereby express their
agreement on rescind

__________________________________________1
Judicial procedure for adjudging the hereditary rights.

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such agreement. As a consequence, such instrument, including
all its obligations, is extinguished.

THIRD: Therefore Mr. Braulio, Mr. Walterio
Arnaldo and Mr. Hugo Bolivar Godoy Latorre are Braulio Domingo Godoy Silva,
Petronila Latorre Mercado and Sonia Alicia Godoy Latorre heirs again. Minera
Lumina Copper Chile S.A. declares that has recovered all the money that was paid
before.

FOURTH: Consequently, by this instrument Mr.
Braulio, Mr. Walterio Arnaldo and Mr. Hugo Bolivar Godoy Latorre, and Minera
Lumina Copper Chile S.A represented by John Joseph Selters, extinguish
completely, as they had never existed, all their obligations coming from the
agreement described on in the first clause above.

FIFTH: Mr. Braulio, Mr. Rolando Nolverto, Mr.
Walterio Arnaldo and Mr. Hugo Bolívar Godoy Latorre hereinafter the Seller are
jointly owners of the Fundo Ramadillas, located in the county of Tierra
Amarilla, Copiapó and that borders: To the North, with the mountainous areas of
Ramadas; to the South and East, with the property owned by Mr. Fortunato and
Erasmo Latorre; to the West, with the Road to the Republic of Argentina.

__________________________________________2 Id.
Note 1.

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The Fundo Ramadillasarea is about 16,700
hectares. The seller acquired the property and the corresponding water
rights throughout the following way:

| | a) | As legitimate sons and intestate heirs of their father
      Mr. Braulio Domingo Godoy Silva, as it is recorded on the posesión
      efectiva3registered on page 630, No 521, of the
      Property Registry of the Custodian of Real Estate of Copiapó,
      corresponding to 1984. The inscripción especial de
      herencia4is registered under the name of the
      sellers on page 2, No3, 1986 of the Registry and Custodian before
      mentioned.
| | -- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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| |    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
| | b) | As legitimate sons and intestate heirs of their mother
      Mrs. Petronila Latorre Mercado, as it is recorded on the Resolution No 331
      inscription No 13764 of the 2004 Posesión EfectivaNational
      Registry. The inscripción especial de herencia5is registered under the name of the sellers on page 4200,
      No4179, of the Property Registry of the Custodian of Real Estate of
      Copiapó, corresponding to 2004.                         
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|
| |    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
| | c) | As brothers and intestate heirs of their sister Mrs.
      Sonia Alicia Godoy Latorre, as it is recorded on the posesión
      efectiva6registered on page 2674, No 1678, of the
      Property Registry of the Custodian of Real Estate                                                                                                                                                                                                                        

__________________________________________3 Id.
Note 1.4 Special registration of hereditary rights.5 Id. Note 4.

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of Copiapó, corresponding to 2000. The
inscripción especial de herencia7is registered under
the name of the sellers on page 234, No 184, of the Property Registry of the
Custodian of Real Estate of Copiapó, corresponding to 2005.

SIXTH: The sellers hereby sells, assigns and
transfers to Minera Lumina Copper Chile S.A., for whom its representative Mr.
John Joseph Selters pays and accepts, the property Fundo Ramadillas,with the corresponding water rights, as described on the fifth clause
above.

SEVENTH:The total price is CH$
1,100,000,0008(Chilean pesos). The amount of
CH$1,000,000,0009 is the price of the property and
CH$100,000,00010 the water rights. The total price will accrue a 5%
yearly interest that will be applied to the unpaid remnant. The buyer will pay
the total amount of the price the following way:

| | a) | CH$100,000,00011were paid before this act
      through payments of CH$25,000,00012to Mr. Braulio, Mr.
      Walterio Arnaldo and Mr. Hugo
| | -- | ------------------------------------------------------------------------------------------------------------------------------------------

__________________________________________6 Id.
Note 1.7 Id. Note 4.8 Equivalent to US$
2,095,000.9 Equivalent to US$ 1,900,000.10
Equivalent to US$ 190,000.11 Id. Note 10.12
Equivalent to US$ 45,000.

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| |    | Bolivar Godoy Latorre and through a CH$25,000,00013vale vista14under the name of Mr. Rolando
      Nolverto Godoy Latorre, with the instruction to give it to him once the
      propertys inscription is done at the Custodian of Real Estate of Copiapo
      under the name of the buyer. Each seller declares that has received this
      part of the price to his full and entire satisfaction. The vale
      vista15will be handed to Mr. Rolando Nolverto Godoy
      Latorre according to the instructions contained on the letter that the
      buyer has given to this Notary today and that Mr. Rolando Nolverto Godoy
      Latorre declares to know.
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| |    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
| | b) | CH$170,000,00016that the buyer will pay to
      sellers not later than May 31st, 2006. This amount is divided
      on CH$120,000,00017of price balance, plus CH$50,000,00018of interest over the total balance of CH$1,000,000,00019.                                                                                                                                                                                                                                                                                                                                                                                                                              
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|
| |    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
| | c) | CH$204,000,00020that the buyer will pay to
      sellers no later than May 31st, 2007. This amount is divided on
      CH$170,000,00021of price                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
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|

__________________________________________13 Id.
Note 12.14 Cashier check paid as ordered by the
issuer.15 Id. Note 14.16 Equivalent to US$
320,000.17 Equivalent to US$ 225,000.18 Equivalent
to US$ 90,000.19 Id. Note 9.20 Equivalent to US$
385,000.21 Id. Note 16.

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| |    | balance, plus CH$44,000,00022of interest over
      the total balance of CH$880,000,00023.                                                                                                                                          
| | -- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
| |    |                                                                                                                                                                                                                                     
| | d) | CH$236,000,00024that the buyer will pay to
      sellers no later than May 31st, 2008. This amount is divided on
      CH$200,000,00025of price balance, plus CH$36,000,00026of interest over the total balance of CH$720,000,00027.
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| |    |                                                                                                                                                                                                                                     
| | e) | CH$266,000,00028that the buyer will pay to
      sellers no later than May 31st, 2009. This amount is divided
      on CH$240,000,00029of price balance, plus CH$26,000,00030of interest over the total balance of CH$520,000,00031.
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|
|
|
| |    |                                                                                                                                                                                                                                     
| | f) | CH$294,000,00032that the buyer will pay to
      sellers no later than May 31st, 2010. This amount is divided on
      CH$280,000,00033of price                                                                                     
|
|

__________________________________________22Equivalent to US$ 80,000.23Equivalent to US$
1,670,000.24Equivalent to US$ 445,000.25Equivalent to US$ 380,000.26Equivalent to US$
68,000.27Equivalent to US$ 1,370,000.28Equivalent to US$ 500,000.29Equivalent to US$
450,000.30Equivalent to US$ 50,000.31Equivalent
to US$ 990,000.32Equivalent to US$ 560,000.33Equivalent to US$ 535,000.

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balance, plus
CH$14,000,00034 of interest over the total balance of
CH$280,000,00035.

The total price and each payment will be distributed among the
sellers on equal parts, hence each one will receive a 25%. Each future payment
will take place at Copiapó, using a public deed receipt, that will me granted on
Mr. Hernan Cañas Public Notary or his successor. In any case, the buyers
obligation of payment will be fulfilled by handing the Notary the four vale
vista36or bank deposit issued in Chilean pesos under the
name of each seller. The Notary will give the payment after each seller signs
the receipt. In case of death of any seller the payment will be given to the
joint representative that the corresponding heirs have established and he will
sign the receipt.

EIGHTH: The parties agree that if the day of
payment according to the seventh clause is on Saturday or a holiday, the payment
will take place the following working day.

NINTH: In case that the buyer does not accomplish
any payment described on letters b), c), d), e) and f) of the seventh clause on
the corresponding date, that

__________________________________________34
Equivalent to US$ 25,000.35 Id. Note 33.36 Id.
Note 14.

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conduct will be understood as if the buyer would not want to
continue with the agreement, that will be terminated and the registrations will
be cancelled according to Civil Code, articles 1867 and followings. In this case
the part of the price received from Minera Lumina Copper Chile S.A. will remain
on sellers hands as the exclusive damages they are entitled to pursue.

TENTH: Its absolutely forbidden to the sellers
to assign the price balance or part of it. It is also forbidden to Minera Lumina
Copper Chile S.A. to grant any easement until the price is fully paid, unless
the sellers give express permission through a public deed.

In case of a judicial easement, while payment obligations of
clause seventh letters b), c), d), e) and f) are pending, Minera Lumina Copper
Chile S.A. will inform sellers (or his successors) in order to allow them to
participate as third parties in the judicial procedure for granting the
easement. If Minera Lumina Copper Chile S.A., does not accomplish his obligation
and the easement is granted, Minera Lumina Copper Chile S.A will be responsible
for any damage caused to the sellers.

ELEVENTH: The purchase is done ad corpus,
in the status in which the property currently is, including all its uses,
authorizations, customs and easements, whether active or passive free of any
type of mortgages, liens,

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seizures, debts, litigation and prohibitions. Moreover the
sellers declare they have not constituted any rights in favor of third parties.

TWELFTH: The present sale includes the water
rights related to Estero o Quebrada Ramadillas,that were legitimately
used by sellers and their predecessors for the irrigation of flat lands
including Fundo Ramadillas.This purchase includes all the built,
planted and sown things as well as all the goods assigned to the propertys use
and cultivation. The buyer gives evidence of the fact that the water rights
object of this contract are not currently registered, and if the buyer proceeds
to the registration according to the transitory articles of the Código de
Aguas37but does not pay clause seventh letters b), c),
d), e) and f) obligations, such water rights will be restored as well as the
property to the seller. In this case the seller will not be entitled to pursue
any other damages.

THIRTEENTH:

The properties object of this contract are delivered by the
present act to the buyer.

__________________________________________37
Chilean Water Regulation

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FOURTEENTH: For the notices related to this
contract the parties set their domicile at:

| | a) | Mr. BRAULIO GODOY LATORRE, 789 Sargento Aldea Street,
      Población Los Cuatro Álamos, Copiapó.  
| | -- | ---------------------------------------------------------------------------------------------------
| | b) | Mr. ROLANDO NOLVERTO GODOY LATORRE, 743 Luis Pinto
      Street, Población Las Canteras, Copiapó.  
| | c) | Mr. WALTERIO ARNALDO GODOY LATORRE, 806 Vallejos street,
      Población Las Lilas, Copiapó.       
| | d) | Mr. HUGO BOLIVAR GODOY LATORRE, 540 Pedro Castagñola
      Street, Población Las Canteras, Copiapó.
| | e) | MINERA LUMINA COPPER CHILE S.A., at 3331 Las Nieves
      street, County of Vitacura, Santiago.    

FIFTEENTH: By the present act Mr. Walterio
Arnaldo Godoy Latorre and Mr. Hugo Bolivar Godoy Latorre irrevocably grant and
empower Mr. Braulio Godoy Latorre, Chilean, married, independent, Identity Card
No 3.092.138 -0, domiciled at 789 Sargento Aldea street, Población Los Cuatro
Álamos, Copiapó, to represent them before Minera Lumina Copper Chile S.A., and
specially to collect the price described on clause seventh. They also grant
powers to receive all notices related to this contract according to the
faculties described on both paragraphs of article 7 of the Código de
Procedimiento

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Civil38.Therefore any notice
given to the agent will be understood as done to Mr. Walterio Arnaldo Godoy
Latorre and Mr. Hugo Bolivar Godoy Latorre. The latter two expressly agree that
the revocation of the present agency and/or the designation of a new agent must
be done through a public deed in which Minera Lumina Copper Chile S.A. must
appear, accepting the revocation and/or appointment of the new agent. The agent
must be appointed within the term of 30 days in advance from each payment, and
he must set a domicile in the urban area of Copiapó.

SIXTEENTH: Communication between the parties that
does not have a special way established in this contract, will be done through a
certified or Notary letter addressed to the respective domiciles described on
the fourteenth clause. Any domicile change must be informed to the other party
with a certified letter sent through this Notary. This obligation will be
fulfilled since the mail office certifies the addressee has received the
letter.

SEVENTEENTH:The expenses and rights arising from
this Agreement and its registration at the Custodian of Real Estate will be
borne by the buyer.

__________________________________________38
Civil Procedure Law

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EIGHTEENTH:For all purposes hereof, the
parties set their domicile in the city of Copiapó and keep under the
jurisdiction of their Courts of Justice.

NINETEENTH:The bearer of a duly authorized copy
of this agreement is empowered to require all pertinent annotations,
registrations and cancellations at the Custodian of Real Estate of Copiapó, as
well as at any other pertinent Public Record Office.

TWENTIETH:The appearing parties, hereby
grant a power of attorney in favor of Messrs. Jaime Alvarez Cáceres and Jerónimo
Carcelén Pacheco, so that any of them, indistinctly, may grant the public deed
or deeds that may be necessary, as well as one or more minutes, to clarify,
supplement or rectify this public deed, with the purpose of amending the
mistakes and missing wording in this public deed, such as the individualization
of the appearing parties, the inheritances and their registrations, mistakes on
the dates of the agreements mentioned in those registrations made in any of the
Registries of the Custodian of Real Estate of Copiapó, or in any other mention
that may be required by that Custodian in order to clarify, supplement or
rectify without affecting the nature and purpose of the referred acts and
agreements.

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The legal capacity of Mr. John J. Selters to act on behalf of
MINERA LUMINA COPPER CHILE S.A. is stated on the public deed dated August
20th, 2003, granted before the Public Notary of Santiago, Mr. Eduardo
Avello Concha.



BRAULIO GODOY LATORRE



ROLANDO NOLVERTO GODOY LATORRE



WALTERIO ARNALDO GODOY LATORRE



HUGO BOLIVAR GODOY LATORRE

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JOHN JOSEPH SELTERS(ON BEHALF OF MINERA LUMINA
COPPER CHILE S.A.)

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